Service Modes, Error Codes, and Fault Finding
5.
To write an NVM mask to the TV, ensure that the mask has the
correct format: "TPM71E_NVM_U2T.MAK" (0x00 to write
protect, 0xFF to overwrite).
Important: The file must be located in the "/Repair" directory
of the USB stick.
5.5.9
How to Copy EDID Data to/from USB
Write EDID Data to USB
1.
Insert the USB stick into the USB slot while in SAM mode.
2.
Execute the command "NVM Copy" > "EDID Copy to
USB", to copy the EDID data to the USB stick. The
filename on the USB stick will be named
"TPM71E_EDID_T2U.BIN" (this takes a couple of
seconds).
Write EDID Data to TV
1.
First, ensure (via a PC) that the filename on the USB stick
has the correct format: "TPM71E_EDID_U2T.BIN".
2.
Insert the USB stick into the USB slot while in SAM mode.
3.
Execute the command "NVM Copy" > "EDID Copy from
USB" to copy the USB data to EDID (this takes about a
minute to complete).
Important: The file must be located in the "/Repair" directory
of the USB stick.
5.5.10 How to Copy the Channel List to/from USB
Write Channel List Data to USB
1.
Insert the USB stick into the USB slot while in SAM mode.
2.
Execute the command "Channel list Copy to USB", to copy
the channel list data to the USB stick. The filename on the
USB stick will be named "TPM71E_CHTB_T2U.BIN" (this
takes a couple of seconds).
Write Channel List Data to TV
1.
First, ensure (via a PC) that the filename on the USB stick
has the correct format: "TPM71E_CHTB_U2T.BIN".
2.
Insert the USB stick into the USB slot while in SAM mode.
3.
Execute the command "Chanel list Copy from USB" to
copy the USB data to the TV (this takes about a minute to
complete).
Important: The file must be located in the "/Repair" directory
of the USB stick.
5.6
Error Codes
5.6.1
Introduction
Error codes are required to indicate failures in the TV set. In
principle a unique error code is available for every.
•
Activated (SW) protection.
•
Failing I
2
C device.
•
General I
2
C error.
The last five errors, stored in the NVM, are shown in the
Service menu’s. This is called the error buffer.
The error code buffer contains all errors detected since the last
time the buffer was erased. The buffer is written from left to
right. When an error occurs that is not yet in the error code
buffer, it is displayed at the left side and all other errors shift one
position to the right.
An error will be added to the buffer if this error differs from any
error in the buffer. The last found error is displayed on the left.
An error with a designated error code never leads to a deadlock
situation. It must always be diagnosable
(e.g. error buffer via OSD or blinking LED or via ComPair).
In case a failure identified by an error code automatically
results in other error codes (cause and effect), only the error
code of the MAIN failure is displayed.
Errors code information:
•
Error 000: No problem.
•
Error 011: I
2
C bus error. When this error occurs, the TV will
not start up due to the blocked bus.
•
Error 012: Tuner error. There is no I
2
C communication
towards the tuner after start-up.
•
Error 013: Panel VCC error. This voltage is made in the
power supply and results in protection in case of absence.
5.6.2
How to Clear the Error Buffer
You can read the error buffer in three ways:
•
On screen via the SAM/SDM/CSM (if you have a picture).
Example:
–
ERROR: 0 0 0 0 0: No errors detected.
–
ERROR: 6 0 0 0 0: Error code 6 is the last and only
detected error.
–
ERROR: 9 6 0 0 0: Error code 6 was detected first and
error code 9 is the last detected (newest) error.
•
Via the blinking LED procedure
(when you have no picture). See paragraph
5.7 The Blinking LED Procedure
•
Via ComPair.
5.6.3
Error codes
Errors code information:
•
Error 000: No problem.
•
Error 011: I
2
C bus error. When this error occurs, the TV will
not start up due to the blocked bus.
•
Error 012: Tuner error. There is no I
2
C communication
towards the tuner after start-up.
•
Error 013: Panel VCC error. This voltage is made in the
power supply and results in protection in case of absence.
5.6.4
How to Clear the Error Buffer
The error code buffer is cleared in the following cases:
•
By using the CLEAR command in the SAM menu.
•
By using the following key sequence on the remote control
transmitter: “062599” directly followed by the OK button.
•
If the contents of the error buffer have not changed for 50
hours, the error buffer resets automatically.
Note: If you exit SAM by disconnecting the mains from the
television set, the error buffer is not reset.
5.7
The Blinking LED Procedure
5.7.1
Introduction
The software is capable of identifying different kinds of errors.
Because it is possible that more than one error can occur over
time, an error buffer is available, which is capable of storing the
last five errors that occurred. This is useful if the OSD is not
working properly.
Errors can also be displayed by the blinking LED procedure.
The method is to repeatedly let the front LED pulse with as
many pulses as the error code number, followed by a period of
1.5 seconds in which the LED is “off”. Then this sequence is
repeated.
Example (1): error code 4 will result in four times the sequence
LED “on” for 0.25 seconds / LED “off” for 0.25 seconds. After
this sequence, the LED will be “off” for 1.5 seconds. Any RC
command terminates the sequence. Error code LED blinking is
in red color.
Example (2): the content of the error buffer is “12 9 6 0 0” After
entering SDM, the following occurs.
•
1 long blink of 5 seconds to start the sequence.
•
12 short blinks followed by a pause of 1.5 seconds.
•
9 short blinks followed by a pause of 1.5 seconds.
•
6 short blinks followed by a pause of 1.5 seconds.
•
1 long blink of 1.5 seconds to finish the sequence.
•
The sequence starts again with 12 short blinks.
